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A box-shaped wood stove has dimensions of 0.75 m x 1.2 m x 0.40 m an emissivity of 0.81, and a surface temperature of 210 degree C. Calculate its rate of radiation into the surrounding space. Please show all work.
suppose that 13 of all steel shafts produced by a certain process are nonconforming but can be reworked rather than
a tank has a volume of 0.35m3 and initially contains saturated vapor at 333 kpa. the valve is next opened and steam
management uses several capital budgeting methods in evaluating projects for possible investment. identify those
a scuba divers 2 cubic foot air tank is to be filled with air from a compressed air line at 120 psia and 100 degrees f.
a two-stage missile is fired vertically from rest with acceleration as shown in the graph. in 15 sec the first stage a
1. a box contains 5 green 6 red 2 yellow and 8 blue marbles. four marbles are drawn from the box at the same time.a
given the following prepare the entries that both the purchaser and seller should record for these transactions. assume
an open brayton cycle engine operates with a compressor-pressure ratio of 6 an inlet temperature of 20 c and inlet
toms wife dina owns a printing business in town. tom works in the accounts payable department of jiffy lube company.
a charge of 18 nc is uniformly distributed along a straight rod of length 3.0 m that is bent into a circular arc with a
One billiard ball is shot east at 3.0 m/s. A second, identical billiard ball is shot west at 1.0 m/s. What are the speed and direction of the first ball after the collision
q1. after being accelerated to a speed of 1.84times105 the particle enters a uniform magnetic field of strength 1.00
Smoke particles in the air typically have masses of the order of 10 to 16 kg. The Brownian motion (rapid, irregular movement) of these particles, resulting from collisions with air molecules, can be observed with microscope.
A playground is on the flat roof of a city school, 5.3 m above the street below, Find the vertical distance by which the ball clears the wall
An explosive shell, with total mass 80 kg is launched vertically into the air from a mortar. The shell explodes in flight and breaks into two parts with masses of 30 kg and 50 kg, Determine where the other portion of the shell landed
A car moving at 10 m/s crashes into a barrier and stops in 0.50s. There is a 20kg child in the car. Suppose that the child's velocity is changed by the same amount as the cars in the same time period.
A ball rolls off a table with a horizontal velocity of 5 m/s If it takes 0.6 secs for it to reach the floor A. What is the verticle componet of the balls velocity just before it hits the floor? (use g= 10 m/s^2) B. What is the horizontal componet ..
A rock is thrown vertically upward from ground level at time t = 0. At t = 1.9 s it passes the top of a tall tower, What is the height of the tower
Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. What is the magnitude of the squirrel's displacement
A 90 kg astronaut and a 1600 kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.24 m/s directly away from the shuttle.
Two radio antennas are separated by 1.20m. Both broadcast identical 750 MHz waves. If you walk around the antennas in a circle of radius 20m, how many maxima will you detect.
How much work is done by the Moon's gravitational field as a 900 kg meteor comes in from outer space and impacts on the Moon's surface
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